Job Description
The Business Planning Specialist supports the planning, governance, and prioritization of Three Mobile’s Portfolio Delivery and support wider business planning across Three Mobile.
Working closely with the Senior Product & Propositions Strategy, Discovery, and Business Planning Manager, this role focuses on integrated business planning, portfolio tracking, delivery governance and reporting across wider portfolio and delivery.
What you’ll do
Delivery Governance & Steerco Support
* Own the preparation and coordination of Three Mobile’s Portfolio Release delivery governance forums, including Steercos and portfolio reviews.
* Produce clear, concise documentation that set out progress, risks, dependencies, and decisions required.
* Track actions and outcomes to ensure follow-through and accountability.
* Communicate all post deployment & release comms and risks and issues identified.
Portfolio Prioritization and Delivery
* Support prioritization across new and change initiatives, maintaining a clear view of demand, capacity, and dependencies – coordinating different product teams.
* Apply agreed prioritization frameworks to support trade-off discussions and sequencing decisions, ensuring focus on the highest-value and most critical activity.
* Maintain a clear, up-to-date view of delivery items across different products and propositions lines/teams.
* Ensure initiatives are consistently documented, including scope, ownership, timelines, dependencies, and status
* Act as the single source of truth for portfolio delivery activity across Three Mobile.
* Input the Three Mobile Demand & priority order across wider Enterprise portfolio
Backlog & Initiative Documentation and Tracking
* Maintain a comprehensive, up-to-date record of all product and transformation initiatives and future roadmap - including scope, priorities, dependencies, and delivery status..
* Ensure documentation supports portfolio transparency, decision-making, and cross-functional alignment.
Three Mobile Forum Coordination & Outputs
* Support coordinating and organizing the delivery of high-quality outputs into key Three Mobile governance and leadership forums.
* Work closely with Senior Manager and Three Mobile’s leadership team to align on agenda management, collation of inputs, preparation of packs, capture of decisions and actions, and tracking of follow-ups to ensure clear outcomes and momentum.
Qualifications
Who you are
* Proven ability to manage prioritization and change across different projects.
* Highly organized, with strong documentation and tracking skills.
* Confident summarizing complex delivery information into clear, decision-ready outputs.
* Strong stakeholder management skills across cross-functional teams.
* Comfortable challenging priorities and surfacing trade-offs constructively.
* Resilient and effective in fast-paced, change-heavy environments
Worried that you don’t meet all the desired criteria exactly?
We know that everyone is unique, with multiple aspects to their identity and different experiences behind them. We are passionate about Inclusion for All and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to apply as you may be the right candidate for this role or another role, and our recruitment team can help you see how your skills fit in.
Additional Information
Need to know
We are regulated by the Financial Conduct Authority and all offers of employment for this role are subject to background checks, including criminal (DBS) and financial checks to meet the regulators standards.
We believe everyone should have the opportunity to interview for a role that matches their skills. In collaboration with our Talent, Diversity & Inclusion teams and our employee-led DEI Networks, we identified a range of reasonable adjustments to help you feel comfortable and perform at your best self during the interview process. If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, a sign language interpreter, or assistive technology, please contact your recruiter directly or email jobs@three.co.uk for guidance.
We use AI in different parts of our business to boost innovation, improve efficiency, and create new opportunities. We know many candidates use AI to fine-tune their CVs or prepare for interviews, but what we really care about is your unique experiences and achievements.
During the interview, we want you to rely on your own knowledge and skills to show us who you really are—your personality, creativity, and abilities. Above all, we’re looking for authenticity and can’t wait to get to know the real you.
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